#include<iostream>
#include <conio.h>
using namespace std;
namespace first_space
{
	void fun()
	{
		cout<<"Inside first_space"<<endl;
	}
}
namespace second_space
{
	void fun()
	{
		cout<<"Inside second_space"<<endl;
	}
}
int main()
{
	first_space::fun();
	second_space::fun();
	_getch();
	return 0;
}